The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 6, 2026 | Heller John E. | Chief Executive Officer, Director | Option exercise(M) | 18K | — | $0 |
| May 6, 2026 | Heller John E. | Chief Executive Officer, Director | Tax withholding(F) | 8K | $24.89 | $204K |
| May 6, 2026 | Heller John E. | Chief Executive Officer, Director | Option exercise(M) | 18K | — | — |
| May 6, 2026 | Mullen Sean Thomas | Chief Growth Officer | Option exercise(M) | 9K | — | $0 |
| May 6, 2026 | Mullen Sean Thomas | Chief Growth Officer | Tax withholding(F) | 3K | $24.89 | $69K |
| May 6, 2026 | Mullen Sean Thomas | Chief Growth Officer | Option exercise(M) | 9K | — | — |
| May 6, 2026 | Johnson Travis Barton | Chief Financial Officer | Option exercise(M) | 14K | — | $0 |
| May 6, 2026 | Johnson Travis Barton | Chief Financial Officer | Tax withholding(F) | 4K | $24.89 | $102K |
| May 6, 2026 | Johnson Travis Barton | Chief Financial Officer | Option exercise(M) | 14K | — | — |
| May 6, 2026 | Bruning Jill L | Chief Technology Officer | Option exercise(M) | 9K | — | $0 |
| May 6, 2026 | Bruning Jill L | Chief Technology Officer | Tax withholding(F) | 3K | $24.89 | $68K |
| May 6, 2026 | Bruning Jill L | Chief Technology Officer | Option exercise(M) | 9K | — | — |
| May 6, 2026 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 14K | — | $0 |
| May 6, 2026 | Arnette Stephen A | Chief Operating Officer | Tax withholding(F) | 3K | $24.89 | $82K |
| May 6, 2026 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 14K | — | — |
| Mar 4, 2026 | Bruning Jill L | Chief Technology Officer | Gift(G) | 30K | — | $0 |
| Mar 2, 2026 | Arnette Stephen A | Chief Operating Officer | Tax withholding(F) | 750 | $30.70 | $23K |
| Mar 2, 2026 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 3K | — | — |
| Mar 2, 2026 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 3K | — | $0 |
| Feb 17, 2026 | St. Mary Michele T | Chief Legal Officer & GC | Option exercise(M) | 7K | — | — |
| Feb 17, 2026 | St. Mary Michele T | Chief Legal Officer & GC | Tax withholding(F) | 2K | $30.05 | $69K |
| Feb 17, 2026 | St. Mary Michele T | Chief Legal Officer & GC | Option exercise(M) | 7K | — | $0 |
| Feb 6, 2026 | Vollmer John C. | Director | Grant(A) | 5K | — | $0 |
| Feb 6, 2026 | Vollmer John C. | Director | Option exercise(M) | 12K | — | — |
| Feb 6, 2026 | Vollmer John C. | Director | Option exercise(M) | 12K | — | $0 |
| Feb 6, 2026 | Thompson Christopher M.T. | Director | Grant(A) | 5K | — | $0 |
| Feb 6, 2026 | Loughran Barbara | Director | Grant(A) | 5K | — | $0 |
| Feb 6, 2026 | Eberhart Ralph E | Director | Grant(A) | 5K | — | $0 |
| Feb 6, 2026 | Eberhart Ralph E | Director | Option exercise(M) | 12K | — | — |
| Feb 6, 2026 | Eberhart Ralph E | Director | Option exercise(M) | 12K | — | $0 |
| Feb 6, 2026 | Brooks Vincent K | Director | Grant(A) | 5K | — | $0 |
| Feb 6, 2026 | Brooks Vincent K | Director | Option exercise(M) | 12K | — | — |
| Feb 6, 2026 | Brooks Vincent K | Director | Option exercise(M) | 12K | — | $0 |
| Feb 6, 2026 | Rowland Sandra E. | Director | Option exercise(M) | 12K | — | — |
| Feb 6, 2026 | Rowland Sandra E. | Director | Grant(A) | 5K | — | $0 |
| Feb 6, 2026 | Rowland Sandra E. | Director | Option exercise(M) | 12K | — | $0 |
| Feb 6, 2026 | Ireland Susan Leslie | Director | Grant(A) | 5K | — | $0 |
| Jan 28, 2026 | Heller John E. | Chief Executive Officer, Director | Option exercise(M) | 52K | — | — |
| Jan 28, 2026 | Heller John E. | Chief Executive Officer, Director | Tax withholding(F) | 20K | $35.71 | $706K |
| Jan 28, 2026 | Heller John E. | Chief Executive Officer, Director | Option exercise(M) | 52K | — | $0 |
| Dec 17, 2025 | Mullen Sean Thomas | Chief Growth Officer | Tax withholding(F) | 4K | $28.67 | $120K |
| Dec 17, 2025 | Mullen Sean Thomas | Chief Growth Officer | Option exercise(M) | 9K | — | — |
| Dec 17, 2025 | Mullen Sean Thomas | Chief Growth Officer | Option exercise(M) | 9K | — | $0 |
| Dec 5, 2025 | Burton Darren | Chief People Officer | Option exercise(M) | 3K | — | — |
| Dec 5, 2025 | Burton Darren | Chief People Officer | Tax withholding(F) | 1K | $28.88 | $40K |
| Dec 5, 2025 | Burton Darren | Chief People Officer | Option exercise(M) | 3K | — | $0 |
| Nov 17, 2025 | Demetriou Steven J. | Executive Chair, Director | Option exercise(M) | 43K | — | — |
| Nov 17, 2025 | Demetriou Steven J. | Executive Chair, Director | Grant(A) | 111K | — | $0 |
| Nov 17, 2025 | Demetriou Steven J. | Executive Chair, Director | Tax withholding(F) | 17K | $21.49 | $367K |
| Nov 17, 2025 | Demetriou Steven J. | Executive Chair, Director | Option exercise(M) | 43K | — | $0 |
| Nov 17, 2025 | Arnette Stephen A | Chief Operating Officer | Tax withholding(F) | 287 | $21.49 | $6K |
| Nov 17, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 1K | — | — |
| Nov 17, 2025 | Arnette Stephen A | Chief Operating Officer | Grant(A) | 47K | — | $0 |
| Nov 17, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 1K | — | $0 |
| Nov 17, 2025 | St. Mary Michele T | Chief Legal Officer & GC | Grant(A) | 22K | — | $0 |
| Nov 17, 2025 | Johnson Travis Barton | Chief Financial Officer | Grant(A) | 100K | — | $0 |
| Nov 17, 2025 | Burton Darren | Chief People Officer | Grant(A) | 22K | — | $0 |
| Nov 17, 2025 | Bruning Jill L | Chief Technology Officer | Grant(A) | 18K | — | $0 |
| Nov 17, 2025 | Heller John E. | Chief Executive Officer, Director | Grant(A) | 156K | — | $0 |
| Nov 17, 2025 | Mullen Sean Thomas | Chief Growth Officer | Grant(A) | 18K | — | $0 |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Tax withholding(F) | 1K | $22.07 | $25K |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Tax withholding(F) | 1K | $22.07 | $27K |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 4K | — | — |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Tax withholding(F) | 897 | $22.07 | $20K |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 5K | — | — |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 5K | — | — |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 5K | — | $0 |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 4K | — | $0 |
| Nov 16, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 5K | — | $0 |
| Nov 15, 2025 | Arnette Stephen A | Chief Operating Officer | Tax withholding(F) | 1K | $22.07 | $31K |
| Nov 15, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 6K | — | — |
| Nov 15, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 6K | — | $0 |
| Nov 6, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 13K | — | — |
| Nov 6, 2025 | Arnette Stephen A | Chief Operating Officer | Tax withholding(F) | 3K | $21.79 | $67K |
| Nov 6, 2025 | Arnette Stephen A | Chief Operating Officer | Option exercise(M) | 13K | — | $0 |
| Nov 6, 2025 | Demetriou Steven J. | Executive Chair, Director | Tax withholding(F) | 29K | $21.79 | $628K |
| Nov 6, 2025 | Demetriou Steven J. | Executive Chair, Director | Option exercise(M) | 91K | — | — |
| Nov 6, 2025 | Demetriou Steven J. | Executive Chair, Director | Option exercise(M) | 91K | — | $0 |
| Nov 6, 2025 | Mullen Sean Thomas | Chief Growth Officer | Option exercise(M) | 5K | — | — |
| Nov 6, 2025 | Mullen Sean Thomas | Chief Growth Officer | Tax withholding(F) | 2K | $21.79 | $35K |
| Nov 6, 2025 | Mullen Sean Thomas | Chief Growth Officer | Option exercise(M) | 5K | — | $0 |
| Nov 6, 2025 | Heller John E. | Chief Executive Officer, Director | Option exercise(M) | 40K | — | — |
| Nov 6, 2025 | Heller John E. | Chief Executive Officer, Director | Tax withholding(F) | 18K | $21.79 | $389K |
| Nov 6, 2025 | Heller John E. | Chief Executive Officer, Director | Option exercise(M) | 40K | — | $0 |
| Nov 6, 2025 | Bruning Jill L | Chief Technology Officer | Option exercise(M) | 5K | — | — |
| Nov 6, 2025 | Bruning Jill L | Chief Technology Officer | Tax withholding(F) | 1K | $21.79 | $32K |
| Nov 6, 2025 | Bruning Jill L | Chief Technology Officer | Option exercise(M) | 5K | — | $0 |
| Nov 6, 2025 | Johnson Travis Barton | Chief Financial Officer | Tax withholding(F) | 4K | $21.79 | $79K |
| Nov 6, 2025 | Johnson Travis Barton | Chief Financial Officer | Option exercise(M) | 12K | — | — |
| Nov 6, 2025 | Johnson Travis Barton | Chief Financial Officer | Option exercise(M) | 12K | — | $0 |
| May 8, 2025 | Amentum Joint Venture LP | Director | Other(J) | 2.4M | — | $0 |
| May 8, 2025 | Lindsay Goldberg IV L.P. | 10% Owner | Other(J) | 1.1M | — | — |
| May 8, 2025 | Goldberg Alan E | Director, 10% Owner | Other(J) | 1.1M | — | — |
| May 8, 2025 | Lindsay Goldberg V L.P. | 10% Owner | Other(J) | 1.1M | — | — |
| Apr 8, 2025 | Thompson Christopher M.T. | Director | Grant(A) | 12K | — | $0 |
| Apr 8, 2025 | Rowland Sandra E. | Director | Grant(A) | 12K | — | $0 |
| Apr 8, 2025 | Ireland Susan Leslie | Director | Grant(A) | 12K | — | $0 |
| Apr 8, 2025 | Loughran Barbara | Director | Grant(A) | 12K | — | $0 |
| Apr 8, 2025 | Eberhart Ralph E | Director | Grant(A) | 12K | — | $0 |
| Apr 8, 2025 | Brooks Vincent K | Director | Grant(A) | 12K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).